Thornhill, British Columbia, Canada All businesses in Thornhill, British Columbia, Canada. Popular categories in Thornhill, British Columbia, Canada: Tree Service Machine Shops Schools Government Offices Associations Churches Business Excavating Contractors Plumbing Social Services Mobile Homes Wrecker Service View all categories Last updates in Thornhill, British Columbia, Canada: Tree Service Machine Shops Schools Government Offices Associations Churches Business Excavating Contractors Plumbing Social Services Mobile Homes Wrecker Service Uni Construction Ltd General Contractors in Thornhill (British Columbia) Updated: 06/22/2026 4:41 pm